Home / 3,229.47-4,837.80-2,130.51

Finding the Fourth Proportional to 3,229.47, 4,837.80 and 2,130.51

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Solution

The fourth proportional to 3,229.47, 4,837.80 and 2,130.51 is: 3,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.47 : 4,837.80 = 2,130.51 : x
  2. Step 2: Convert to fraction form
    3,229.47/4,837.80 = 2,130.51/x
  3. Step 3: Cross multiply
    3,229.47x = 4,837.80 × 2,130.51
  4. Step 4: Simplify right side
    3,229.47x = 10,306,981.28
  5. Step 5: Solve for x
    x = 10,306,981.28/3,229.47
  6. Step 6: Final answer
    x = 3,191.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.